54500393 has 4 divisors (see below), whose sum is σ = 55767888. Its totient is φ = 53232900.

The previous prime is 54500353. The next prime is 54500429. The reversal of 54500393 is 39300545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39300545 = 5 ⋅7860109.

It is a cyclic number.

It is not a de Polignac number, because 54500393 - 2⁸ = 54500137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54500353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633683 + ... + 633768.

It is an arithmetic number, because the mean of its divisors is an integer number (13941972).

Almost surely, 2^54500393 is an apocalyptic number.

It is an amenable number.

54500393 is a deficient number, since it is larger than the sum of its proper divisors (1267495).

54500393 is a wasteful number, since it uses less digits than its factorization.

54500393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267494.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 54500393 is about 7382.4381473874. The cubic root of 54500393 is about 379.1402376673.

The spelling of 54500393 in words is "fifty-four million, five hundred thousand, three hundred ninety-three".